| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -91.3 | +186.8% |
| 2023/12 | -31.8 | -81.0% |
| 2022/12 | -167.9 | -190.2% |
| 2021/12 | 186.1 | -3.5% |
| 2020/12 | 192.8 | +97.1% |
| 2019/12 | 97.8 | +336.8% |
| 2018/12 | 22.4 | +394.6% |
| 2017/12 | 4.5 | +125.1% |
| 2016/12 | 2.0 | -72.1% |
| 2015/12 | 7.2 | +19.4% |
| 2014/12 | 6.0 | +14.8% |
| 2013/12 | 5.3 | -51.1% |
| 2012/12 | 10.8 | -5.2% |
| 2011/12 | 11.4 | -0.5% |
| 2010/12 | 11.4 | - |